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CPR103899 — STUD,WELDING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CPR103899: STUD,WELDING.

The STUD,WELDING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 8630, thread_class: 2A NUT THREAD A, thread_length: 0.082 INCHES NOMINAL NUT THREAD IN, surface_finish: 125.0 MICROINCHES OVERALL, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM, shoulder_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-129-0262, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CPR103899
NSN: 5307-01-129-0262
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 8630
thread_class2A NUT THREAD A
thread_length0.082 INCHES NOMINAL NUT THREAD IN
surface_finish125.0 MICROINCHES OVERALL
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
shoulder_length0.250 INCHES NOMINAL IN
special_features2.250 IN. TAPER PER FOOT ON DIA. ON NUT END,STARTS O.220 IN. FROM SHOULDFR AND ENDS 1.470 IN. FROM SHOULDER IN
style_designatorWELDING
thread_directionRIGHT-HAND NUT THREAD
features_providedCASEHARDENED
shoulder_diameter1.380 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES NUT THREAD IN
NSN5307-01-129-0262
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CPR103899 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
THREAD LENGTH: 0.082 INCHES NOMINAL NUT THREAD IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: WELDING
•
UNTHREADED END DIAMETER: 0.868 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: Q-S-624 FED SPEC 13TH MATERIAL RESPONSE
•
LENGTH EXCLUDING FLUXED WELDING TIP: 3.850 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
THREAD LENGTH0.082 INCHES NOMINAL NUT THREAD IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORWELDING
UNTHREADED END DIAMETER0.868 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQ-S-624 FED SPEC 13TH MATERIAL RESPONSE
LENGTH EXCLUDING FLUXED WELDING TIP3.850 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
UNTHREADED END LENGTH1.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CPR103899?
CPR103899 is a STUD,WELDING.
What is the NSN for CPR103899?
CPR103899 is cataloged in the U.S. Government catalog under NSN 5307-01-129-0262. This indicates validated use in U.S. government and defense supply chains.
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